States like Pennsylvania, New Hampshire, Missouri and North Carolina will be decisive, and they're all moving Democrats' way as Republicans are put further on the defensive by Donald Trump.
NPR's Robert Siegel checks back in with Artemio Muniz, chairman of the Federation of Hispanic Republicans in Texas. Back in July at the Republican National Convention in Cleveland, Muniz was a self-described "leave it blank" uncommitted delegate because he said he was unsure about who to vote for. At the time, Muniz said he was undecided about Donald Trump.
Some in the crowd expressed anger over his endorsement of Donald Trump, who kicked off his presidential campaign last year by disparaging Mexican immigrants.
White evangelicals are some of Donald Trump's strongest backers. But another reliably Republican group of Christians — Mormons — is leery of the GOP candidate. Here's why.
A Pew Research Center survey says most Americans on social media are stressed out by online political interactions — and those feelings appear to be bipartisan.
Donald Trump isn't the first politician to use coarse language, but linguist Geoff Nunberg says the 2005 Access Hollywood tape of him discussing women's genitalia wasn't like other live-mic incidents.
Rick Hasen, founder of the Election Law Blog, discusses Donald Trump's claims of potential voter fraud. "He's threatening the bedrock of democracy, and doing it to claim he's not a loser," Hasen says.
On the inaugural nightly Facebook Live from Trump Tower, the GOP nominee's campaign manager Kellyanne Conway said "unequivocally" that Trump will win even as he badly trails Hillary Clinton in polls.
While campaigning in Florida on Monday, the Republican presidential candidate accused the media of counting too many Democrats in their polls. Let's take a look at the numbers.